Add 84/27 and 18/90
1st number: 3 3/27, 2nd number: 18/90
84/27 + 18/90 is 149/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
84/27 = 84 × 10/27 × 10 = 840/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
18/90 = 18 × 3/90 × 3 = 54/270 - Add the two like fractions:
840/270 + 54/270 = 840 + 54/270 = 894/270 - 894/270 simplified gives 149/45
- So, 84/27 + 18/90 = 149/45
In mixed form: 314/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27+36/90 84/54+18/90 84/27+54/90 84/81+18/90